LEGEND Swing Check Valve, Y-Pattern, Series: T-453NL, 3/4 in Nominal, FNPT, 300 psi CWP, 365 deg F Service, Low Lead Compliance: Yes, 6.6 gpm, Full Port, 2.78 in Inlet to Outlet Length, 2.01 in Top to Inlet Center, Cast Bronze Body, Cast Bronze Disc Trim, Domestic